Long Stroke Tactile Switch B3AL Long-stroke Tactile Switches with High Operating Forces and Long Life. • High operating force version available (OF = 3.5 N (356 gf)). • Extended Service Life of 1 million operations. • Long stroke achieved by using a rubber plunger. • RoHS Compliant Ordering Information Type Height Top actuated, flat 5 mm Plunger Color Red Embossed tape Operating force (OF) Model 1.96 N (200 gf) B3AL-1000P Green 2.45 N (250 gf) B3AL-1001P Black 3.00 N (305 gf) B3AL-1002P White (milk-white) 3.50 N (357 gf) B3AL-1003P Quantity per reel 1,400 Note: Order in multiples of the quantities given. Switches are not sold individually. Specifications ■ Characteristics Item Specification Contact form SPST-NO Switching capacity 1 to 50 mA at 5 to 16 VDC (resistive load) Contact resistance 100 mΩ max. Insulation resistance 100 MΩ min. (at 100 VDC) Dielectric strength 250 VAC, 50/60 Hz for 1 min. Bounce time 5 ms max. (The center of the plunger is pressed at a speed of 3 or 4 times per second.) Vibration resistance Malfunction: 10 to 55 Hz, 1.5-mm double amplitude Shock resistance Destruction: 1,000 m/s2 (approx. 100 G) max. Malfunction: 100 m/s2 (approx. 10 G) max. Ambient operating temperature −40 to 90°C (at 60% RH max.) with no icing or condensation Ambient operating humidity 35% to 85% (at 5 to 35°C) Service Life 1,000,000 operations min. Weight Approx. 0.18 g Note: Data shown are of initial value ■ Operating Characteristics Model B3AL-1000P B3AL-1001P green B3AL-1002P Red Operating force (OF) 1.96 ± 0.59 N (200 ± 60 gf) 2.45 ± 0.69 N (200 ± 70 gf) 3.00 ± 0.90 N (200 ± 91 gf) 3.50 ± 1.05 N (200 ± 107 gf) Releasing force (RF) 0.24 N (24 gf) min. Pretravel (PT) 1.3 +0.2 −0.3 0.49 N (50 gf) min. black B3AL-1003P Plunger Color 0.60 N (61 gf) min. White (milk-white) 0.70 N (71 gf) min. mm Long Stroke Tactile Switch B3AL 1 ■ Construction Pushbutton Plunger Moving contact Terminal (contact) Base Dimensions Note: Unless otherwise specified, all units are in millimeters and a tolerance of ±0.4mm applies to all dimensions. 6 4.9 dia. PCB Pad (Top View) 6.9 5.8 8 4 2 Terminal Arrangement/ Internal Connections (Top View) 5 0.8 1.4 6.6 Precautions ■ Precautions for Correct Use Handling Soldering Packaging Specifications Do not exceed the following terminal temperature profile during soldering in a reflow oven. The packaging specifications for B3AL Switches in embossed taping are given below. 260°C 1.5 220°C +0.1 0 dia. 2 12±0.1 4±0.1 Cross section C-C C 1.75 180°C 7.50 150°C 16 Preheating time Main heating time C (5.5) Tape drawing direction 60 to 120s (22) 60s max. Tape drawing direction Time Washing The Switches are not sealed, and cannot be washed. Doing so will cause the washing agent, together with flux or dust particles on the PCB, to enter the Switch, resulting in malfunction. 2 Long Stroke Tactile Switch B3AL 13 38 0± 2 Reel dia . di a. Operation • Do not repeatedly operate the Switch with excessive force. Applying excessive pressure or applying additional force after the plunger has stopped may deform the disk spring of the Switch, resulting in malfunction. • Be sure to set up the Switch so that the plunger will operate in a straight vertical line. If the plunger is pressed off-center or from an angle it may cause deformation or damage to some parts. • We recommend using a round bar with a diameter of at least 3 mm as the actuator. Dust Countermeasures Do not mount or use the Switch in areas that are subject to dust. If dust is unavoidable, protect the Switch with a sheet or other countermeasure. Water and Drip Resistance The switch is not water or drip resistant. Do not use it in locations subject to water. Common Precautions Be sure to read the precautions common to all Tactile Switches, contained in the Technical User’s Guide, “Tactile Switches, Technical Information” for correct use. Long Stroke Tactile Switch B3AL 3 All sales are subject to Omron Electronic Components LLC standard terms and conditions of sale, which can be found at http://www.components.omron.com/components/web/webfiles.nsf/sales_terms.html ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527. OMRON ON-LINE OMRON ELECTRONIC COMPONENTS LLC Global - http://www.omron.com USA - http://www.components.omron.com 55 E. Commerce Drive, Suite B Schaumburg, IL 60173 847-882-2288 Cat. No. A196-E-1 4 04/11 Long Stroke Tactile Switch Specifications subject to change without notice B3AL Printed in USA